Leviticus 18:5, 30
Leviticus 18:5 ESV
You shall therefore keep my statutes and my rules; if a person does them, he shall live by them: I am the LORD.
Leviticus 18:30 ESV
So keep my charge never to practice any of these abominable customs that were practiced before you, and never to make yourselves unclean by them: I am the LORD your God.”